Decibel Limits: Oxnard vs Ventura

What are the noise limits in unincorporated Ventura County?

Residential zones: 55 dBA daytime (7 AM-10 PM) and 45 dBA nighttime (10 PM-7 AM). Commercial zones: 65/55 dBA. Industrial zones: 70/60 dBA. All measured at the receiving property line.

How are noise levels measured?

Using the A-weighted decibel scale (dBA) at the receiving property line. Impulsive sounds like hammering may exceed the steady-state limit by up to 5 dBA. The county may use sound level meters or rely on subjective reasonableness standards.

Are there exemptions to decibel limits?

Emergency vehicles, public safety operations, and established agricultural operations under the Right to Farm Act are exempt. Construction during permitted hours has separate noise allowances. Special event permits may temporarily increase allowable levels.

What are the noise limits in the City of Ventura?

Residential zones: approximately 55 dBA daytime (7 AM-10 PM) and 45 dBA nighttime (10 PM-7 AM) at the property line. Commercial and industrial zones have higher limits. Both decibel measurements and a reasonable person standard apply.

What about noise from downtown restaurants and bars?

Commercial establishments must comply with both the general noise ordinance and specific conditions in their use permits. Entertainment venues in the Main Street corridor have noise conditions set during the permitting process.

How loud is 55 dBA?

55 dBA is roughly equivalent to a normal conversation at 3 feet or a quiet office. For reference, a typical gas lawn mower produces about 90 dBA and a vacuum cleaner about 70 dBA. Noise above 55 dBA at a neighbor's property line may constitute a violation in residential zones.